Identification Data |
Common Name | |
Constellation | Hercules |
Star Name | 88 Her |
Skymap Number | 17500009 |
Henry Draper (HD) Number | 162732 |
Harvard Revised (HR) Number | 6664 |
SAO Number | 46997 |
Durchmusterung (DM) Number | BD+48 2581 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 56534 |
Right Ascension (RA) J2000 | 17h 50m 3.334s |
Declination (Dec) J2000 | +48° 23' 38.946" |
Position Uncertainty | 0.0070s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00008 |
Proper Motion in Dec (J2000) | +0.013266 |
Radial Velocity | -016.3km s-1 |
Trigonometric Parallax | +0.00272s |
Trigonometric Parallax Uncertainty | 0.00054s |
GCI Unit Vector in X (J2000) | -0.028803 |
GCI Unit Vector in Y (J2000) | -0.663378 |
GCI Unit Vector in Z (J2000) | 0.747730 |
Galactic Longitude | 75.36° |
Galactic Latitude
| 29.82°
|
Observational Data |
Observed Visual Magnitude (V) | 6.77 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.005 |
Observed B Magnitude | 6.66 |
Observed B-V Colour | -0.112 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.006 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 6.4 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | Bep(shell) |
One-Dimensional Spectral Class | B8 |
Position Angle | |
Year of Observation | AD |